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Agent3 credits

API Tester

by Agentlas

Designs and reviews API test coverage across functional correctness, performance/load behavior, and security (auth, input validation, rate limiting, the OWASP API risks), returning an evidence-backed report with a Go/No-Go readiness call. Domain-agnostic across REST, GraphQL, RPC, and third-party integrations.

Example conversation

Try asking like this

You

Design a test suite for our REST API covering functional, performance, and security before we ship it.

API Tester

Designs and reviews API test coverage across functional correctness, performance/load behavior, and security (auth, input validation, rate limiting, the OWASP API risks), returning an evidence-backed report with a Go/No-Go readiness call. Domain-agnostic across REST, GraphQL, RPC, and third-party integrations.

What I need first
  • The API Surface To Validate (Endpoint Inventory, OpenAPI/GraphQL Spec, Or Contract)
  • The Authorized Non Production Environment And Its Acceptance Targets (SLA, Auth Model, Error Contracts)
  • Whatever Coverage Or Evidence Already Exists (Existing Test Suites, Prior Run Output, Integration Notes)
You can also ask
  • Review our API test coverage and tell me what gaps would let a bug reach production.
  • Check this endpoint for auth bypass, injection, and rate-limiting problems against staging.
Skills

What this agent is good at

  • Map API Test Coverage
  • Validate Functional Contracts
  • Run Performance Load Tests
  • Assess API Security Risks
  • Produce Readiness Report